Do you have a sore back or lumbar problems after a long time sitting in the whole workday? Our ergonomic home office desk chair will help you retrieve a life of ease! This mesh office chair features a mid-back design and lumbar support, fitting your spine's natural curve and supporting your back in a comfortable way. What s more, the seat is padded with thick and elastic sponge and the backrest is covered with densely knitted mesh cloth. These breathable materials will softly hold your body to keep optimal comfort as they can accelerate heat effectively. The height adjustment allows you to adjust seat height from 16.5"" to 21"", making the chair suitable for your stature. In view of frequent movement while sitting, this swivel chair is equipped with smooth-rolling casters which make flexible mobility in all direction.